CATALOGUE OF NORTH AMERICAN DIPTERA. 237 



LOEW, Neue Beitrage, iii, 29, notes. 



Middle States— O. S. ; N. J.— Smith Cat.; Fla.— Johnson. 



ater Coquillett, Trans. Amer. Ent. Soc, xxi, 108 (Thlipsogaster). — La. 



WiLLiSTON, Psyche, viii, 331, refers to Bombylius, and changes name to 



coquilletti on account of preoccupation ; oc. in Mex. ; Biologia, Dipt, i, 



286, oc. in Guerrero, Mex. 

 syndesmus Coquillett, Trans. Amer. Ent. Soc, xxi, 108 (Thlipsogaster). — S. 



Cal. 

 WiLLiSTON, Psyche, viii, 331, oc. in Kans. (Bombylius). 



Note. — As Mr. Coquillett assures me very positively that the two pre- 

 ceding species do not belong to Bombylius, while apparently also admit- 

 ting that they dififer from Thlipsogaster, I am compelled to place them 

 provisionalh' as an appendix to Bombylius. 



HETEROSTYLUM. 



Macquart, Dipt. Exot., Suppl. iii, 35, 1848. 



OsTEN Sacken, West. Dipt., 256, 1877 (Coniasfes) ; Biologia, Dipt., i, 151, 

 1886 (id.). 

 ferrugineum Fabkicius, Syst. Antl., 132 (Bombylius) . — West Indies. 

 Wiedemann, Auss. Zw., i, 334 (id.). — West Indies? and Brazil. 

 OsTEN Sacken, Cat., 238, oc. at St. Thomas, and gen ref. (Comastes). 

 pallipes Bigot, Annales, 1892, 361. — Hayti. 



robustum Osten Sacken, West. Dipt., 256 (Comastes). — Texas, Mexico. 

 rufum Olivier, Encycl. Meth., i, 327 (Bombylius). — ^West Indies. 



Wiedemann, Zool. Mag., iii, 46; Dipt. Exot., 164; Auss. Zw., i, 335 (all 



Bombylius basilaris) . — Brazil. 

 LoEW, Neue Beitr.,- iii, 29, syn., etc. (Comastes). 

 sackeni Williston, Dipt, of Death Val. Exped., 255 (Comastes) . — Argus Mts., 

 Cal. 



ANASTCECHUS. 



Osten Sacken, West. Dipt., 251, 1877. 

 nitidulus Fabricius, Ent. Syst., iv, 409; Syst. iVntl., 132 (Bombylius). — Europe. 

 Meigen, Klassification, 189; Syst. Beschr., 11, 154 (id.). 

 ScHiNER, Fauna Austr., i, 62, (Systwchus). 

 Osten Sacken, West. Dipt., 252 (barbatus). — Cheyenne, Wyo. ; Cal.; 



Col; Mass. 

 Coquillett, Trans. Amer. Ent. Soc, xxi, no, syn. of barbatus — compared 



with European specimens. 

 Beulah, N. M. — Skinner (barbatus). 



' SYSTCECHUS. 



LoEW, Neue Beitr., in, 34, 1855. 

 Osten Sacken, West. Dipt., 250, 1877. 



Riley, 9th Mo. Report, 96, undet. larva in egg-masses of the Rocky Moun- 

 tain Locust; figured, etc. 

 candidulus Loew, Cent., iv, 51. — Wis. 



Osten Sacken, West. Dipt., 253. — 111. and Kans. 

 oreas Osten Sacken, West. Dipt., 254. — Webber L., Cal. 



